diff options
Diffstat (limited to 'libc/sysdeps/linux/arm')
| -rw-r--r-- | libc/sysdeps/linux/arm/bits/atomicity.h | 120 | ||||
| -rw-r--r-- | libc/sysdeps/linux/arm/bits/profil-counter.h | 37 |
2 files changed, 0 insertions, 157 deletions
diff --git a/libc/sysdeps/linux/arm/bits/atomicity.h b/libc/sysdeps/linux/arm/bits/atomicity.h deleted file mode 100644 index 97d278610..000000000 --- a/libc/sysdeps/linux/arm/bits/atomicity.h +++ /dev/null @@ -1,120 +0,0 @@ -/* Low-level functions for atomic operations. ARM version. - Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _ATOMICITY_H -#define _ATOMICITY_H 1 - -#include <inttypes.h> - - -static inline int -__attribute_used__ -exchange_and_add (volatile uint32_t *mem, int val) -{ - int tmp1; - int tmp2; - int result; - __asm__ ("\n" -#if defined(__thumb__) - "\t.align 0\n" - "\tbx pc\n" - "\tnop\n" - "\t.arm\n" -#endif - "0:\tldr\t%0,[%3]\n\t" - "add\t%1,%0,%4\n\t" - "swp\t%2,%1,[%3]\n\t" - "cmp\t%0,%2\n\t" - "swpne\t%1,%2,[%3]\n\t" - "bne\t0b" -#if defined(__thumb__) - "\torr %1, pc, #1\n" - "\tbx %1\n" - "\t.force_thumb" -#endif - : "=&r" (result), "=&r" (tmp1), "=&r" (tmp2) - : "r" (mem), "r"(val) - : "cc", "memory"); - return result; -} - -static inline void -__attribute_used__ -atomic_add (volatile uint32_t *mem, int val) -{ - int tmp1; - int tmp2; - int tmp3; - __asm__ ("\n" -#if defined(__thumb__) - "\t.align 0\n" - "\tbx pc\n" - "\tnop\n" - "\t.arm\n" -#endif - "0:\tldr\t%0,[%3]\n\t" - "add\t%1,%0,%4\n\t" - "swp\t%2,%1,[%3]\n\t" - "cmp\t%0,%2\n\t" - "swpne\t%1,%2,[%3]\n\t" - "bne\t0b" -#if defined(__thumb__) - "\torr %1, pc, #1\n" - "\tbx %1\n" - "\t.force_thumb" -#endif - : "=&r" (tmp1), "=&r" (tmp2), "=&r" (tmp3) - : "r" (mem), "r"(val) - : "cc", "memory"); -} - -static inline int -__attribute_used__ -compare_and_swap (volatile long int *p, long int oldval, long int newval) -{ - int result, tmp; - __asm__ ("\n" -#if defined(__thumb__) - "\t.align 0\n" - "\tbx pc\n" - "\tnop\n" - "\t.arm\n" -#endif - "0:\tldr\t%1,[%2]\n\t" - "mov\t%0,#0\n\t" - "cmp\t%1,%4\n\t" - "bne\t1f\n\t" - "swp\t%0,%3,[%2]\n\t" - "cmp\t%1,%0\n\t" - "swpne\t%1,%0,[%2]\n\t" - "bne\t0b\n\t" - "mov\t%0,#1\n" - "1:" -#if defined(__thumb__) - "\torr %1, pc, #1\n" - "\tbx %1\n" - "\t.force_thumb" -#endif - : "=&r" (result), "=&r" (tmp) - : "r" (p), "r" (newval), "r" (oldval) - : "cc", "memory"); - return result; -} - -#endif /* atomicity.h */ diff --git a/libc/sysdeps/linux/arm/bits/profil-counter.h b/libc/sysdeps/linux/arm/bits/profil-counter.h deleted file mode 100644 index 7639883f1..000000000 --- a/libc/sysdeps/linux/arm/bits/profil-counter.h +++ /dev/null @@ -1,37 +0,0 @@ -/* Low-level statistical profiling support function. Linux/ARM version. - Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <signal.h> -#include <bits/armsigctx.h> - -void -profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc) -{ - void *pc; - if (sc.v20.magic == SIGCONTEXT_2_0_MAGIC) - pc = (void *) sc.v20.reg.ARM_pc; - else - pc = (void *) sc.v21.arm_pc; - profil_count (pc); - - /* This is a hack to prevent the compiler from implementing the - above function call as a sibcall. The sibcall would overwrite - the signal context. */ - asm volatile (""); -} |